Members of the board of directors of Locktight Systems have received the following ­operating income data for the year just ended:

Members of the board are surprised that the industrial systems product line is losing money. They commission a study to determine whether the company should discontinue the line. Company accountants estimate that discontinuing the industrial systems line will decrease fixed cost of goods sold by $ 85,000 and decrease fixed marketing and administrative expenses by $ 8,000.

Requirements
1. Prepare an incremental analysis to show whether Locktight Systems should discon-tinue the industrial systems product line.
2. Prepare contribution margin income statements to show Locktight Systems' total ­operating income under the two alternatives: (a) with the industrial systems line and (b) without the line. Compare the difference between the two alternatives' income numbers to your answer to Requirement 1. What have you learned from thiscomparison?

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Product Line Contribution Margin Income Statement For the Year Product lines Industria Household Systems ystems Company Total 310,000 330,000 640,000 6 Sales revenue 7 Less cost of goods sold: 8 Variable 37,000 240,000 45,000 82,000 303,000 Fixed 63,000 10 Gross profit 11 Less marketing and adninistratve expenses: 12 Variable 13 ixed 14 Operating income floss 15 S 33,0005 000 S 255,000 69,000 40,000 76,000145,000 62,000